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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef COMPONENTS_LEVELDB_PROTO_LEVELDB_DATABASE_H_
      6 #define COMPONENTS_LEVELDB_PROTO_LEVELDB_DATABASE_H_
      7 
      8 #include <string>
      9 #include <vector>
     10 
     11 #include "base/files/file_path.h"
     12 #include "base/memory/scoped_ptr.h"
     13 #include "base/strings/string_split.h"
     14 #include "base/threading/thread_collision_warner.h"
     15 
     16 namespace leveldb {
     17 class DB;
     18 }  // namespace leveldb
     19 
     20 namespace leveldb_proto {
     21 
     22 // Interacts with the LevelDB third party module.
     23 // Once constructed, function calls and destruction should all occur on the
     24 // same thread (not necessarily the same as the constructor).
     25 class LevelDB {
     26  public:
     27   LevelDB();
     28   virtual ~LevelDB();
     29 
     30   virtual bool Init(const base::FilePath& database_dir);
     31   virtual bool Save(const base::StringPairs& pairs_to_save,
     32                     const std::vector<std::string>& keys_to_remove);
     33   virtual bool Load(std::vector<std::string>* entries);
     34 
     35  private:
     36   DFAKE_MUTEX(thread_checker_);
     37   scoped_ptr<leveldb::DB> db_;
     38 };
     39 
     40 }  // namespace leveldb_proto
     41 
     42 #endif  // COMPONENTS_LEVELDB_PROTO_LEVELDB_DATABASE_H_
     43